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- Sun Dec 03, 2017 2:46 pm#519977
I think you are looking at the wrong source. As far as I know, flight plan resolving is done with the airways file, so the file you provide as the FSNavigator database. You might to check that your waypoints are in there.

btw, aren't you working with GNG now? There it shouldn't be a problem anyway.

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I checked the scenario and was able to reproduce the bug. It seems there is something wrong when ES determines the route to be drawn while using isec.txt and airway.txt. If I make the airway.txt unavailable, ES reverts to SCT file content and makes the drawing correctly. The essential change should be that no restrictions or other information of the airway.txt are considered when the routing is clearly a direct waypoint to waypoint. So, if no airway designator is detected, only waypoint information from the isec.txt should be taken into account.There was also a similar issue some time ago, but the problem there was the correct determination if a waypoint exists multiple times (at different places). I think there could be, at least partially, a connection. Or the problem was created with the fix for this bug. The forum link is viewtopic.php?f=71&t=68268.

@Patrick: Can you probably create a zip of sector file and the session log for Gergely to analyse?@Gergely: Can you check this issue? Looks like this is a rather generic problem.

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- Tue Jan 02, 2018 11:22 am#520641
I was able to repeat the problem with the latest AIRAC files, and I found that the problem was because Austria had cancelled the airways and they are no more in the AIRWAY.txt file. It did not make any harm as long as the names are completely missing (SOVIL SITNI BAGSI MATIG), but NEMAL and STEIN is still a valid fix name in a valid airway (in deed far far away). ES had the logic to select the closest point if multiple found, but as soon as the close points are not there anymore the closests are the far away ones.

I modified the logic: First ES selects the point name always from the SCT/ISEC.txt file (the closest to the prior point). Then it looks for the AIRWAY.txt file but ignores it if it is more than 10 NMs far.

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- Thu Jan 04, 2018 11:30 pm#520719
Thanks for looking after it, Gergely. Did you check the same logic will be applied for simulation aircraft in a scenario? There was already an issue earlier that the route drawing was different from what those aircraft flew. Just not that this happens again ...